medical MCQs – Page 359

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

7161. Ions participating in clotting mechanism are________________?
0

A. Iron

B. Copper

C. Calcium

D. Aluminum

7162. The function of vitamin K is______________?
0

A. Prothrombin formation

B. Fibrin formation

C. Thrombin formation

D. Thromboplastin formation

7163. Citrate is a useful anticoagulant because of its ability to_____________?
0

A. Chelate calcium

B. Bind vitamin K

C. Bind factor XII

D. Buffer basic groups of coagulation factors

7164. Phagocytosis in the CNS is done by _______________?
0

A. Schwann cells

B. Oligocytes

C. Astrocytes

D. Microglia

7165. Potassium is maximum in_____________?
0

A. Interstitium

B. Bone

C. Plasma

D. Cell

7166. Which of the following cell type is not a precursor of erythrocyte____________?
0

A. Myeloblast

B. Reticulocyte

C. Norm oblast

D. PR erythroblast

7167. The end plate potential is characterized by_____________?
0

A. Hyper polarization

B. Propagation

C. All or none law

D. Depolarization

7168. Voluntary movement of eye ball is controlled by______________?
0

A. Cerebellum

B. Superior colliculus

C. Visual cortex area

D. Frontal eye field

7169. Formation of a small volume of concentrated urine in dehydration is associated with____________?
0

A. More reabsorption in the PCT

B. More concentration in loop of Henle

C. More reabsorption of DCT and collecting ducts

D. All of these

7170. Lymphocytes are located in each of the following tissues or organs EXCEPT one. The one exception is______________?
0

A. Spleen

B. Brain

C. Thymus gland

D. Lymph nodes

7171. The best screening test for hemophilia is_____________?
0

A. BT

B. PT

C. PTT

D. CRT

7172. The study of the electrical activity of the muscle is_______________?
0

A. Venn diagram

B. EEG

C. EMG

D. ECG

7173. Thromboxane is produced mainly by _______________?
0

A. Vascular endothelium

B. Platelets

C. Liver

D. Damaged tissue

7174. Life cycle of RBC is_______________?
0

A. 120 days

B. 90 days

C. 12 days

D. One month

7175. AB blood group antigen are known as ________ factors?
0

A. Landsteiner

B. Rhesus

C. Lutheran

D. Duffy

7176. Group B fibers are present in_____________?
0

A. Spinothalamic tracts

B. Golgi tendon apparatus

C. Autoonomic preganglionic fibers

D. Intrafusal fibers of the muscle spindle

7177. A motor unit is made up of______________?
0

A. A flexor muscle and an extensor muscle

B. A single motor neuron and all the muscle fibers it innervates

C. A single skeletal muscle and all the motor peurons that supply it

D. All the motor neurons in which response are observed after maximal stimulation of a single sensory nerve

7178. Stimulating mechanoreceptors or nociceptors in mouth triggers the_______________?
0

A. Jaw clenching reflex

B. Jaw gnashing reflex

C. Jaw opening reflex

D. None of the above

7179. Site of RBC formation in 20 years old healthy male is____________?
0

A. Yolk sac

B. Liver

C. Flat bones

D. Long bones

7180. In PHC, which anticoagulant is used to send the blood sample for blood glucose_____________?
0

A. Potassium oxalate

B. EDTA

C. Heparin

D. Potassium oxalate+ sodium fluoride

Previous Next

Showing 7161 to 7180 of 10266 mcqs